The measure of spending on health care drops from last year and there is plenty of room for growth in Optum Health.

The purchase of LHC Group will "enhance the reach of Optum's value-based capabilities along the full continuum of care."

A lawsuit filed by the DOJ argues that the purchase would give UnitedHealth access to vast amounts of competitively sensitive data about rivals.

Private insurers say they need more evidence that the treatment actually slows the rate at which Alzheimer's patients deteriorate.

Centene has agreed to pay more than $200 million to resolve claims in four states and expects more to come.

Bright Heath's market debut caps a string of public listings of new health care businesses, including insurers and primary-care companies.

New York has revived a bill that would impose stricter oversight on pharmacy benefit managers, but will it be pre-empted by ERISA?

Procedures analyzed in the study included joint replacements, spinal fusions and bariatric surgeries.